Mine water plugging curtain lake slurry preparation process and equipment

A preparation process and water curtain technology, applied in the field of mine curtain grouting, can solve problems such as failure to meet industrial production requirements, slow curtain grouting construction progress, and difficulty in guaranteeing construction quality, and achieve improved preparation efficiency, reasonable equipment configuration, and satisfactory The effect of quality requirements

Active Publication Date: 2016-05-18
NORTH CHINA ENG INVESTIGATION INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mine curtain grouting technology can effectively solve the contradiction between the protection of the regional groundwater environment and the safe exploitation of mineral resources, and its application is becoming more and more extensive. Soaking method” or adopting a simple process (such as the “Mine Water Plugging Curtain Lake Mud Mixed Slurry and Its Preparation Method” disclosed earlier), the source of raw materials is narrow, the preparation efficiency is low, the quality is poor, waste slurry is produced more, and the qualified rate Low, can not meet the requirements of industrial production, so most of the curtain grouting construction progress is slow at this stage, and the construction quality is difficult to guarantee

Method used

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  • Mine water plugging curtain lake slurry preparation process and equipment
  • Mine water plugging curtain lake slurry preparation process and equipment

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The process is the same as above, and the technical parameters of the lake mud are: the particle content of less than 0.075mm is 92.6%; the sand content is 7.4%; the plastic limit index: the plasticity index is 18.5.

[0057] After the lake mud is processed through the lake mud treatment process, the technical parameters of the treated lake mud are: water content 15%, sand content 6.3%.

[0058] After the preparation process of pure lake mud puree, the technical parameters of the prepared pure lake mud puree are: the sediment content is 0.3%, and the specific gravity is 1.52-1.62g / cm 3 , the lake slurry preparation efficiency is 125m 3 / h. The pass rate is 100%.

Embodiment 2

[0060] The process is the same as above, and the technical parameters of the lake mud are: the particle content of less than 0.075mm is 64.1%; the sand content is 35.9%; the plastic limit index: the plasticity index is 12.2.

[0061] The lake mud is processed through the lake mud treatment process, and the technical parameters of the treated lake mud are: water content 12%, sand content 7.5%.

[0062] After the preparation process of pure lake mud puree, the technical parameters of the prepared pure lake mud puree are: the sediment content is 1.5%, and the specific gravity is 1.51-1.65g / cm 3 , the lake slurry preparation efficiency is 110m 3 / h. The pass rate is 100%.

Embodiment 3

[0064] The process is the same as above, and the technical parameters of the lake mud are: the particle content of less than 0.075mm is 56%; the sand content is 44%; the plastic limit index: the plasticity index is 28.9.

[0065] The lake mud is processed through the lake mud treatment process, and the technical parameters of the treated lake mud are: water content 10.8%, sand content 8.1%.

[0066] After the preparation process of pure lake mud puree, the technical parameters of the prepared pure lake mud puree are: the sediment content is 2.1%, and the specific gravity is 1.51-1.62g / cm 3 , the lake slurry preparation efficiency is 105m 3 / h. The pass rate is 100%.

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Abstract

The invention relates to a preparation technology and a device for mine water-plugging curtain lake mud slurry, which relates to the technical field of the mine curtain slip casting. The technology comprises the following steps: 1)lake mud treatment process, using various lake mud raw materials, drying the lake mud through a lake mud cylinder dryer; crushing the large block of lake mud into small block of lake mud by a lake mud pulverizer; sieving the stone in the lake mud block; grinding by a lake mud grinder; eliminating sand by a lake mud sand eliminator; and 2)lake mud clean primary pulp preparation technology, making the slurry, wherein the sand content in the slurry is 0-5%, and the proportion is 1.51-1.7g / cm<3>. Compared with the prior art, various lake mud can be employed as the raw materials, the lake mud quality can be controlled from the lake mud treatment process, waste slurry generation can be greatly reduced during a slurry preparation process, the prepared lake slurry has the characteristics of stable liquidity, low sand content and high proportion, the quality is greatly increased, qualified rate is greatly increased, so that the industrial preparation requirement of the lake mud slurry can be reached, the preparation technology is in favor of environmental protection, and has great economic benefit and social benefit.

Description

technical field [0001] The invention relates to the technical field of mine curtain grouting. Background technique [0002] With the increasing demand for mineral resources and the continuous increase of mining intensity in my country, a series of environmental, water resource protection and safety issues brought about by drainage in the mining process have become increasingly prominent. The mine curtain grouting technology can effectively solve the contradiction between the protection of the regional groundwater environment and the safe exploitation of mineral resources, and its application is becoming more and more extensive. Soaking method” or adopting a simple process (such as the “Mine Water Plugging Curtain Lake Mud Mixed Slurry and Its Preparation Method” disclosed earlier), the source of raw materials is narrow, the preparation efficiency is low, the quality is poor, waste slurry is produced more, and the qualified rate Low, unable to meet the requirements of indust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B30/00
Inventor 宋峰但新民刘新社熊衍良杨显文韩贵雷贾伟杰蒋鹏飞王云于佳维王志奇薛晓峰张凤伟
Owner NORTH CHINA ENG INVESTIGATION INST
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